
Core i9-9900X
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Ryzen 9 7950X3D
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Performance Spectrum - CPU
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook
This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.
Core i9-9900X
2018Why buy it
- ✅57.1% more PCIe lanes (44 vs 28) for storage and expansion-heavy builds.
Trade-offs
- ❌Worse for gaming: lower average FPS than Ryzen 9 7950X3D across 50 shared CPU benchmark tests.
- ❌Lower Cinebench R23 multi-core (13,985 vs 38,581).
- ❌Lower PassMark per dollar, at 21.9 vs 89.2 PassMark/$ ($989 MSRP vs $699 MSRP).
- ❌37.5% higher power demand at 165W vs 120W.
- ❌Older platform position on LGA2066 with DDR4, while Ryzen 9 7950X3D moves to AM5 and DDR5.
Ryzen 9 7950X3D
2023Why buy it
- ✅Better for gaming: +38.3% higher average FPS across 50 shared CPU benchmark tests.
- ✅Costs $290 less on MSRP ($699 MSRP vs $989 MSRP).
- ✅Delivers 307.2% more PassMark for each dollar spent, at 89.2 vs 21.9 PassMark/$ ($699 MSRP vs $989 MSRP).
- ✅Draws 120W instead of 165W, a 45W reduction.
- ✅Newer platform on AM5 with DDR5 support instead of LGA2066 and DDR4.
Trade-offs
- ❌Fewer obvious downsides in this matchup outside of normal market pricing swings.
Core i9-9900X
2018Ryzen 9 7950X3D
2023Why buy it
- ✅57.1% more PCIe lanes (44 vs 28) for storage and expansion-heavy builds.
Why buy it
- ✅Better for gaming: +38.3% higher average FPS across 50 shared CPU benchmark tests.
- ✅Costs $290 less on MSRP ($699 MSRP vs $989 MSRP).
- ✅Delivers 307.2% more PassMark for each dollar spent, at 89.2 vs 21.9 PassMark/$ ($699 MSRP vs $989 MSRP).
- ✅Draws 120W instead of 165W, a 45W reduction.
- ✅Newer platform on AM5 with DDR5 support instead of LGA2066 and DDR4.
Trade-offs
- ❌Worse for gaming: lower average FPS than Ryzen 9 7950X3D across 50 shared CPU benchmark tests.
- ❌Lower Cinebench R23 multi-core (13,985 vs 38,581).
- ❌Lower PassMark per dollar, at 21.9 vs 89.2 PassMark/$ ($989 MSRP vs $699 MSRP).
- ❌37.5% higher power demand at 165W vs 120W.
- ❌Older platform position on LGA2066 with DDR4, while Ryzen 9 7950X3D moves to AM5 and DDR5.
Trade-offs
- ❌Fewer obvious downsides in this matchup outside of normal market pricing swings.
Quick Answers
So, is Ryzen 9 7950X3D better than Core i9-9900X?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Games Benchmarks
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Path of Exile 2
| Preset | Core i9-9900X | Ryzen 9 7950X3D |
|---|---|---|
| 1080p | ||
| low | 178 FPS | 291 FPS |
| medium | 143 FPS | 265 FPS |
| high | 116 FPS | 219 FPS |
| ultra | 96 FPS | 186 FPS |
| 1440p | ||
| low | 148 FPS | 275 FPS |
| medium | 117 FPS | 227 FPS |
| high | 95 FPS | 177 FPS |
| ultra | 78 FPS | 156 FPS |
| 4K | ||
| low | 81 FPS | 190 FPS |
| medium | 69 FPS | 156 FPS |
| high | 55 FPS | 120 FPS |
| ultra | 43 FPS | 107 FPS |

Counter-Strike 2
| Preset | Core i9-9900X | Ryzen 9 7950X3D |
|---|---|---|
| 1080p | ||
| low | 516 FPS | 734 FPS |
| medium | 431 FPS | 627 FPS |
| high | 360 FPS | 465 FPS |
| ultra | 323 FPS | 393 FPS |
| 1440p | ||
| low | 447 FPS | 602 FPS |
| medium | 384 FPS | 536 FPS |
| high | 323 FPS | 413 FPS |
| ultra | 279 FPS | 326 FPS |
| 4K | ||
| low | 278 FPS | 338 FPS |
| medium | 239 FPS | 305 FPS |
| high | 220 FPS | 268 FPS |
| ultra | 192 FPS | 229 FPS |

League of Legends
| Preset | Core i9-9900X | Ryzen 9 7950X3D |
|---|---|---|
| 1080p | ||
| low | 541 FPS | 1025 FPS |
| medium | 541 FPS | 1122 FPS |
| high | 541 FPS | 1062 FPS |
| ultra | 527 FPS | 875 FPS |
| 1440p | ||
| low | 541 FPS | 936 FPS |
| medium | 518 FPS | 845 FPS |
| high | 469 FPS | 775 FPS |
| ultra | 407 FPS | 656 FPS |
| 4K | ||
| low | 458 FPS | 574 FPS |
| medium | 363 FPS | 498 FPS |
| high | 328 FPS | 447 FPS |
| ultra | 262 FPS | 378 FPS |

Valorant
| Preset | Core i9-9900X | Ryzen 9 7950X3D |
|---|---|---|
| 1080p | ||
| low | 541 FPS | 1082 FPS |
| medium | 541 FPS | 973 FPS |
| high | 541 FPS | 854 FPS |
| ultra | 541 FPS | 766 FPS |
| 1440p | ||
| low | 541 FPS | 853 FPS |
| medium | 541 FPS | 751 FPS |
| high | 541 FPS | 659 FPS |
| ultra | 541 FPS | 569 FPS |
| 4K | ||
| low | 541 FPS | 623 FPS |
| medium | 541 FPS | 555 FPS |
| high | 506 FPS | 493 FPS |
| ultra | 437 FPS | 426 FPS |
Technical Specifications
Side-by-side comparison of Core i9-9900X and Ryzen 9 7950X3D

Core i9-9900X
Core i9-9900X
The Core i9-9900X is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 10 cores and 20 threads. Base frequency is 3.5 GHz, with boost up to 4.5 GHz. L3 cache: 19.25 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 165 Watt. Memory support: DDR4-2666. Passmark benchmark score: 21,655 points. Launch price was $989.


Ryzen 9 7950X3D
Ryzen 9 7950X3D
The Ryzen 9 7950X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 16 cores and 32 threads. Base frequency is 4.2 GHz, with boost up to 5.7 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm, 6 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 62,323 points. Launch price was $699.
Processing Power
The Core i9-9900X packs 10 cores / 20 threads, while the Ryzen 9 7950X3D offers 16 cores / 32 threads — the Ryzen 9 7950X3D has 6 more cores. Boost clocks reach 4.5 GHz on the Core i9-9900X versus 5.7 GHz on the Ryzen 9 7950X3D — a 23.5% clock advantage for the Ryzen 9 7950X3D (base: 3.5 GHz vs 4.2 GHz). The Core i9-9900X uses the Skylake (server) (2017−2018) architecture (14 nm), while the Ryzen 9 7950X3D uses Raphael (Zen4) (2022−2023) (5 nm, 6 nm). In PassMark, the Core i9-9900X scores 21,655 against the Ryzen 9 7950X3D's 62,323 — a 96.9% lead for the Ryzen 9 7950X3D. Cinebench R23 multi-core: 13,985 vs 38,581 (93.6% advantage for the Ryzen 9 7950X3D). Geekbench 6 single-core — the metric most relevant to gaming — records 1,459 vs 2,926, a 66.9% lead for the Ryzen 9 7950X3D that directly translates to higher frame rates. Multi-core Geekbench: 9,475 vs 19,643 (69.8% advantage for the Ryzen 9 7950X3D). L3 cache: 19.25 MB (total) on the Core i9-9900X vs 128 MB (total) on the Ryzen 9 7950X3D.
| Feature | Core i9-9900X | Ryzen 9 7950X3D |
|---|---|---|
| Cores / Threads | 10 / 20 | 16 / 32+60% |
| Boost Clock | 4.5 GHz | 5.7 GHz+27% |
| Base Clock | 3.5 GHz | 4.2 GHz+20% |
| L3 Cache | 19.25 MB (total) | 128 MB (total)+565% |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 14 nm | 5 nm, 6 nm-64% |
| Architecture | Skylake (server) (2017−2018) | Raphael (Zen4) (2022−2023) |
| PassMark | 21,655 | 62,323+188% |
| Cinebench R23 Multi | 13,985 | 38,581+176% |
| Geekbench 6 Single | 1,459 | 2,926+101% |
| Geekbench 6 Multi | 9,475 | 19,643+107% |
Memory & Platform
The Core i9-9900X uses the LGA2066 socket (PCIe 3.0), while the Ryzen 9 7950X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i9-9900X versus DDR5-5200 on the Ryzen 9 7950X3D — the Ryzen 9 7950X3D supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 GB of RAM. Memory channels: 4 (Core i9-9900X) vs 2 (Ryzen 9 7950X3D). PCIe lanes: 44 (Core i9-9900X) vs 28 (Ryzen 9 7950X3D) — the Core i9-9900X offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X299 (Core i9-9900X) and AMD X670E,AMD X670,AMD B650E,AMD B650 (Ryzen 9 7950X3D).
| Feature | Core i9-9900X | Ryzen 9 7950X3D |
|---|---|---|
| Socket | LGA2066 | AM5 |
| PCIe Generation | PCIe 3.0 | PCIe 5.0+67% |
| Max RAM Speed | DDR4-2666 | DDR5-5200+25% |
| Max RAM Capacity | 128 GB | 128 GB |
| RAM Channels | 4+100% | 2 |
| ECC Support | No | Yes |
| PCIe Lanes | 44+57% | 28 |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d (Core i9-9900X) vs true (Ryzen 9 7950X3D). The Ryzen 9 7950X3D includes integrated graphics (Radeon Graphics), while the Core i9-9900X requires a dedicated GPU. Direct competitor: Ryzen 9 7950X3D rivals Core i9-13900K.
| Feature | Core i9-9900X | Ryzen 9 7950X3D |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Radeon Graphics |
| Unlocked | Yes | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | true |
Value Analysis
The Core i9-9900X launched at $989 MSRP, while the Ryzen 9 7950X3D debuted at $699. On MSRP ($989 vs $699), the Ryzen 9 7950X3D is $290 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-9900X delivers 21.9 pts/$ vs 89.2 pts/$ for the Ryzen 9 7950X3D — making the Ryzen 9 7950X3D the 121.1% better value option.
| Feature | Core i9-9900X | Ryzen 9 7950X3D |
|---|---|---|
| MSRP | $989 | $699-29% |
| Performance per Dollar | 21.9 | 89.2+307% |
| Release Date | 2018 | 2023 |
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